23146172 has 24 divisors (see below), whose sum is σ = 47080320. Its totient is φ = 9750960.

The previous prime is 23146139. The next prime is 23146177. The reversal of 23146172 is 27164132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23146177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5354 + ... + 8657.

It is an arithmetic number, because the mean of its divisors is an integer number (1961680).

Almost surely, 2^23146172 is an apocalyptic number.

It is an amenable number.

23146172 is an abundant number, since it is smaller than the sum of its proper divisors (23934148).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23146172 is a wasteful number, since it uses less digits than its factorization.

23146172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14081 (or 14079 counting only the distinct ones).

The product of its digits is 2016, while the sum is 26.

The square root of 23146172 is about 4811.0468715239. The cubic root of 23146172 is about 284.9878808841.

The spelling of 23146172 in words is "twenty-three million, one hundred forty-six thousand, one hundred seventy-two".